<template>
<!--  有且只能有一个根节点div-->
  <div>
    <el-container>
<!--      侧边栏-->
      <el-aside :width="asideWidth" style="min-height: 100vh; background-color: #001529">
        <div style="height: 60px; background-color: #8c939d; color: #fff; display: flex; justify-content: center; align-items: center">
          <img src="@/assets/dog.png" alt="" style="width: 40px; height: 40px; border-radius: 50%">
          <span class="logo-title" v-show="!isCollapse">毕设管理系统</span>
        </div>

        <el-menu :collapsed="isCollapse" :collapse-transition="false" router background-color="#001529" text-color="rgba(255, 255, 255, 0.65)" active-text-color="#fff" style="border: none"  :default-active="$route.path">
          <el-menu-item  index="/">
            <i class="el-icon-house"></i>
            <span slot="title">系统首页</span>
          </el-menu-item>
          <el-menu-item  index="/1">
            <i class="el-icon-house"></i>
            <span slot="title">系统首页</span>
          </el-menu-item>
          <el-menu-item  index="/2">
            <i class="el-icon-house"></i>
            <span slot="title">系统首页</span>
          </el-menu-item>
          <el-submenu  index="3">
            <template slot="title">
              <i class="el-icon-menu"></i>
              <span>信息管理</span>
            </template>
            <el-menu-item index="/">用户信息</el-menu-item>
            <el-menu-item>管理员信息</el-menu-item>
            <el-menu-item>物品信息</el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>

      <el-container>
<!--        头部-->
        <el-header>
          <i :class="collapseIcon" style="font-size: 26px;" @click="handleCollapse"></i>
          <el-breadcrumb separator-class="el-icon-arrow-right"  style="margin-left: 20px;">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item :to="{ path: '/user' }">用户管理</el-breadcrumb-item>
          </el-breadcrumb>

          <div style="flex: 1; width: 0; display: flex; align-items: center; justify-content: flex-end">
            <i class="el-icon-quanping" style="font-size: 26px;" @click="handleFull"></i>
            <el-dropdown placement="bottom">
              <div style="display: flex; align-items: center; cursor: default">
                <img src="@/assets/dog.png" alt="" style="width: 40px; height: 40px; border-radius: 50%; margin: 0 5px">
                <span>管理员</span>
              </div>
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item>个人中心</el-dropdown-item>
                <el-dropdown-item>修改密码</el-dropdown-item>
                <el-dropdown-item @click="">退出登录</el-dropdown-item>
              </el-dropdown-menu>
            </el-dropdown>
          </div>
        </el-header>
        <!--      主体-->
        <el-main>
          <div style="box-shadow: 0 0 10px rgba(0, 0, 0,.1); padding: 10px 20px; border-radius: 5px; margin-bottom: 10px">
            新年快乐！天天开心！
          </div>
          <el-card style="width: 500px">
            <div slot="header" class="clearfix">
              <span>一起作毕设2025</span>
            </div>
            <div>
              2025正式开始，一起作毕设，start!
              <div style="margin-top: 20px">
                <div style="margin: 10px 0"><strong>主题色</strong></div>
                <el-button type="primary">按钮</el-button>
                <el-button type="success">按钮</el-button>
                <el-button type="warning">按钮</el-button>
                <el-button type="danger">按钮</el-button>
                <el-button type="info">按钮</el-button>
              </div>
            </div>
          </el-card>
        </el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>

export default {
  name: 'HomeView',
  data() {
    return {
      isCollapse: false,
      asideWidth: '200px',
      collapseIcon: 'el-icon-s-fold'
    }
  },
  methods: {
    handleFull(){
      document.documentElement.requestFullscreen()
    },
    handleCollapse() {
      this.isCollapse = !this.isCollapse
      this.asideWidth = this.isCollapse ? '64px' : '200px'
      this.collapseIcon = this.isCollapse ? 'el-icon-s-unfold' : 'el-icon-s-fold'
    }
  }
}
</script>

<style>
.el-menu--inline{
  background-color: #000c17 !important;
}
.el-menu--inline .el-icon-item{
  background-color: #000c17 !important;
  padding-left: 49px !important;
}
.el-menu-item:hover, .el-submenu__title:hover{
  color: #fff !important;
}
.el-submenu__title:hover i{
  color: #fff !important;
}
.el-menu-item.is-active{
  background-color: #1890ff !important;
  border-radius: 5px !important;
  width: calc(100% - 8px);
  margin: 4px !important;
}
.el-menu-item.is-active i, el-menu-item.is-active .el-tooltip{
  margin-left: -4px;
}
.el-menu-item {
  height: 40px !important;
  line-height: 40px !important;
}
.el-submenu__title {
  height: 40px !important;
  line-height: 40px !important;
}
.el-submenu .el-menu-item {
  min-width: 0 !important;
}
.el-menu--inline .el-menu-item.is-active {
  padding-left: 45px !important;
}
.el-submenu__icon-arrow {
  margin-top: -4px;
}
.el-aside {
  transition: width .3s;
  box-shadow: 2px 0 6px rgba(0, 21, 41, .35);
}
.logo-title {
  font-size: 20px;
  margin-left: 5px;
  transition: all .3s;
}
.el-header {
  box-shadow: 2px 0 6px rgba(0, 21, 41, .35);
  display: flex;
  align-items: center;
}
</style>